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Which of the following constants can be added to x^2 + 2/3x to form a perfect square trinomial? A. 1/9 B. 4/9 c. 4 1/9
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4 1/9 << ?? 41/ 9 ?
what is that ?
It's 4 1/9 meaning 4 and 1 ninth.
It is a mixed number...
oh, A. 1/9 then ..
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b^2 - 4ac I check all if the number is - then the numbers will be imaginary as in B
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